Atopy is a predisposition toward developing certain allergic hypersensitivity reactions. Atopy may have a hereditary component, although contact with the allergen or irritant must occur before the hypersensitivity reaction can develop.
As of 2012, 63.9 percent of players playing in Major League Baseball are white. There is no way of telling the exact number due to the number of players.
What the MLB committee will find. The decline in African-American participation in baseball has become an annual parlor game. It works like this: Everybody on the field dresses up in No. 42 jerseys while baseball's cognoscenti stroke their collective chin and ponder why so few people on the field look like Jackie Robinson.